Finding the Fourth Proportional to 153,920,404.18, 231,248,935.56 and 98,696,435.42

Step by Step Solution

1. Step 1: Write the proportion equation
   153,920,404.18 : 231,248,935.56 = 98,696,435.42 : x
2. Step 2: Convert to fraction form
   153,920,404.18/231,248,935.56 = 98,696,435.42/x
3. Step 3: Cross multiply
   153,920,404.18x = 231,248,935.56 × 98,696,435.42
4. Step 4: Simplify right side
   153,920,404.18x = 22,823,445,634,441,284
5. Step 5: Solve for x
   x = 22,823,445,634,441,284/153,920,404.18
6. Step 6: Final answer
   x = 148,280,832.27