Finding the Fourth Proportional to 109,861,621.46, 151,734,865.55 and 72,352,460.10

Step by Step Solution

1. Step 1: Write the proportion equation
   109,861,621.46 : 151,734,865.55 = 72,352,460.10 : x
2. Step 2: Convert to fraction form
   109,861,621.46/151,734,865.55 = 72,352,460.10/x
3. Step 3: Cross multiply
   109,861,621.46x = 151,734,865.55 × 72,352,460.10
4. Step 4: Simplify right side
   109,861,621.46x = 10,978,390,804,838,972
5. Step 5: Solve for x
   x = 10,978,390,804,838,972/109,861,621.46
6. Step 6: Final answer
   x = 99,929,262.45