Finding the Fourth Proportional to 166,024,978.19, 249,188,590.80 and 88,367,079.50

Step by Step Solution

1. Step 1: Write the proportion equation
   166,024,978.19 : 249,188,590.80 = 88,367,079.50 : x
2. Step 2: Convert to fraction form
   166,024,978.19/249,188,590.80 = 88,367,079.50/x
3. Step 3: Cross multiply
   166,024,978.19x = 249,188,590.80 × 88,367,079.50
4. Step 4: Simplify right side
   166,024,978.19x = 22,020,068,013,716,568
5. Step 5: Solve for x
   x = 22,020,068,013,716,568/166,024,978.19
6. Step 6: Final answer
   x = 132,631,055.00