Finding the Fourth Proportional to 12,929,887.88, 19,394,929.01 and 5,739,488.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,929,887.88 : 19,394,929.01 = 5,739,488.72 : x
2. Step 2: Convert to fraction form
   12,929,887.88/19,394,929.01 = 5,739,488.72/x
3. Step 3: Cross multiply
   12,929,887.88x = 19,394,929.01 × 5,739,488.72
4. Step 4: Simplify right side
   12,929,887.88x = 111,316,976,278,095.77
5. Step 5: Solve for x
   x = 111,316,976,278,095.77/12,929,887.88
6. Step 6: Final answer
   x = 8,609,276.22