Finding the Fourth Proportional to 72,003,941.91, 99,365,701.59 and 38,964,187.71

Step by Step Solution

1. Step 1: Write the proportion equation
   72,003,941.91 : 99,365,701.59 = 38,964,187.71 : x
2. Step 2: Convert to fraction form
   72,003,941.91/99,365,701.59 = 38,964,187.71/x
3. Step 3: Cross multiply
   72,003,941.91x = 99,365,701.59 × 38,964,187.71
4. Step 4: Simplify right side
   72,003,941.91x = 3,871,703,848,688,605.50
5. Step 5: Solve for x
   x = 3,871,703,848,688,605.50/72,003,941.91
6. Step 6: Final answer
   x = 53,770,720.69