Finding the Fourth Proportional to 175,686,061.80, 242,305,397.37 and 154,447,430.34

Step by Step Solution

1. Step 1: Write the proportion equation
   175,686,061.80 : 242,305,397.37 = 154,447,430.34 : x
2. Step 2: Convert to fraction form
   175,686,061.80/242,305,397.37 = 154,447,430.34/x
3. Step 3: Cross multiply
   175,686,061.80x = 242,305,397.37 × 154,447,430.34
4. Step 4: Simplify right side
   175,686,061.80x = 37,423,445,981,309,096
5. Step 5: Solve for x
   x = 37,423,445,981,309,096/175,686,061.80
6. Step 6: Final answer
   x = 213,013,175.88