Finding the Fourth Proportional to 139,968,162.30, 209,952,243.45 and 88,312,097.10

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,162.30 : 209,952,243.45 = 88,312,097.10 : x
2. Step 2: Convert to fraction form
   139,968,162.30/209,952,243.45 = 88,312,097.10/x
3. Step 3: Cross multiply
   139,968,162.30x = 209,952,243.45 × 88,312,097.10
4. Step 4: Simplify right side
   139,968,162.30x = 18,541,322,909,919,236
5. Step 5: Solve for x
   x = 18,541,322,909,919,236/139,968,162.30
6. Step 6: Final answer
   x = 132,468,145.65