Finding the Fourth Proportional to 72,021,749.63, 108,032,901.47 and 17,434,245.83

Step by Step Solution

1. Step 1: Write the proportion equation
   72,021,749.63 : 108,032,901.47 = 17,434,245.83 : x
2. Step 2: Convert to fraction form
   72,021,749.63/108,032,901.47 = 17,434,245.83/x
3. Step 3: Cross multiply
   72,021,749.63x = 108,032,901.47 × 17,434,245.83
4. Step 4: Simplify right side
   72,021,749.63x = 1,883,472,161,328,812.50
5. Step 5: Solve for x
   x = 1,883,472,161,328,812.50/72,021,749.63
6. Step 6: Final answer
   x = 26,151,435.80