Finding the Fourth Proportional to 158,976,494.10, 238,464,741.15 and 132,102,638.10

Step by Step Solution

1. Step 1: Write the proportion equation
   158,976,494.10 : 238,464,741.15 = 132,102,638.10 : x
2. Step 2: Convert to fraction form
   158,976,494.10/238,464,741.15 = 132,102,638.10/x
3. Step 3: Cross multiply
   158,976,494.10x = 238,464,741.15 × 132,102,638.10
4. Step 4: Simplify right side
   158,976,494.10x = 31,501,821,399,748,628
5. Step 5: Solve for x
   x = 31,501,821,399,748,628/158,976,494.10
6. Step 6: Final answer
   x = 198,153,957.15