Finding the Fourth Proportional to 99,066,132.32, 148,611,016.50 and 47,911,393.12

Step by Step Solution

1. Step 1: Write the proportion equation
   99,066,132.32 : 148,611,016.50 = 47,911,393.12 : x
2. Step 2: Convert to fraction form
   99,066,132.32/148,611,016.50 = 47,911,393.12/x
3. Step 3: Cross multiply
   99,066,132.32x = 148,611,016.50 × 47,911,393.12
4. Step 4: Simplify right side
   99,066,132.32x = 7,120,160,833,494,306
5. Step 5: Solve for x
   x = 7,120,160,833,494,306/99,066,132.32
6. Step 6: Final answer
   x = 71,872,805.23