Finding the Fourth Proportional to 99,065,698.50, 148,610,365.76 and 47,910,959.31

Step by Step Solution

1. Step 1: Write the proportion equation
   99,065,698.50 : 148,610,365.76 = 47,910,959.31 : x
2. Step 2: Convert to fraction form
   99,065,698.50/148,610,365.76 = 47,910,959.31/x
3. Step 3: Cross multiply
   99,065,698.50x = 148,610,365.76 × 47,910,959.31
4. Step 4: Simplify right side
   99,065,698.50x = 7,120,065,186,971,577
5. Step 5: Solve for x
   x = 7,120,065,186,971,577/99,065,698.50
6. Step 6: Final answer
   x = 71,872,154.49