Finding the Fourth Proportional to 154,878,872.33, 213,745,338.69 and 88,805,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   154,878,872.33 : 213,745,338.69 = 88,805,518.10 : x
2. Step 2: Convert to fraction form
   154,878,872.33/213,745,338.69 = 88,805,518.10/x
3. Step 3: Cross multiply
   154,878,872.33x = 213,745,338.69 × 88,805,518.10
4. Step 4: Simplify right side
   154,878,872.33x = 18,981,765,544,359,788
5. Step 5: Solve for x
   x = 18,981,765,544,359,788/154,878,872.33
6. Step 6: Final answer
   x = 122,558,779.38