Finding the Fourth Proportional to 107,599,364.55, 148,532,940.15 and 72,337,620.18

Step by Step Solution

1. Step 1: Write the proportion equation
   107,599,364.55 : 148,532,940.15 = 72,337,620.18 : x
2. Step 2: Convert to fraction form
   107,599,364.55/148,532,940.15 = 72,337,620.18/x
3. Step 3: Cross multiply
   107,599,364.55x = 148,532,940.15 × 72,337,620.18
4. Step 4: Simplify right side
   107,599,364.55x = 10,744,519,408,789,374
5. Step 5: Solve for x
   x = 10,744,519,408,789,374/107,599,364.55
6. Step 6: Final answer
   x = 99,856,718.06