Finding the Fourth Proportional to 22,661,003,779.83, 31,272,215,340.20 and 12,499,503,767.19

Step by Step Solution

1. Step 1: Write the proportion equation
   22,661,003,779.83 : 31,272,215,340.20 = 12,499,503,767.19 : x
2. Step 2: Convert to fraction form
   22,661,003,779.83/31,272,215,340.20 = 12,499,503,767.19/x
3. Step 3: Cross multiply
   22,661,003,779.83x = 31,272,215,340.20 × 12,499,503,767.19
4. Step 4: Simplify right side
   22,661,003,779.83x = 390,887,173,453,144,326,144
5. Step 5: Solve for x
   x = 390,887,173,453,144,326,144/22,661,003,779.83
6. Step 6: Final answer
   x = 17,249,331,814.73