Finding the Fourth Proportional to 142,164,061.10, 213,246,091.65 and 132,598,123.10

Step by Step Solution

1. Step 1: Write the proportion equation
   142,164,061.10 : 213,246,091.65 = 132,598,123.10 : x
2. Step 2: Convert to fraction form
   142,164,061.10/213,246,091.65 = 132,598,123.10/x
3. Step 3: Cross multiply
   142,164,061.10x = 213,246,091.65 × 132,598,123.10
4. Step 4: Simplify right side
   142,164,061.10x = 28,276,031,511,200,580
5. Step 5: Solve for x
   x = 28,276,031,511,200,580/142,164,061.10
6. Step 6: Final answer
   x = 198,897,184.65