Finding the Fourth Proportional to 72,004,090.29, 99,365,906.16 and 38,964,335.55

Step by Step Solution

1. Step 1: Write the proportion equation
   72,004,090.29 : 99,365,906.16 = 38,964,335.55 : x
2. Step 2: Convert to fraction form
   72,004,090.29/99,365,906.16 = 38,964,335.55/x
3. Step 3: Cross multiply
   72,004,090.29x = 99,365,906.16 × 38,964,335.55
4. Step 4: Simplify right side
   72,004,090.29x = 3,871,726,509,848,051.50
5. Step 5: Solve for x
   x = 3,871,726,509,848,051.50/72,004,090.29
6. Step 6: Final answer
   x = 53,770,924.60