Finding the Fourth Proportional to 93,073,976.91, 139,429,340.74 and 72,507,397.03

Step by Step Solution

1. Step 1: Write the proportion equation
   93,073,976.91 : 139,429,340.74 = 72,507,397.03 : x
2. Step 2: Convert to fraction form
   93,073,976.91/139,429,340.74 = 72,507,397.03/x
3. Step 3: Cross multiply
   93,073,976.91x = 139,429,340.74 × 72,507,397.03
4. Step 4: Simplify right side
   93,073,976.91x = 10,109,658,566,666,334
5. Step 5: Solve for x
   x = 10,109,658,566,666,334/93,073,976.91
6. Step 6: Final answer
   x = 108,619,604.56