Finding the Fourth Proportional to 88,320,367.51, 132,537,238.30 and 42,857,361.43

Step by Step Solution

1. Step 1: Write the proportion equation
   88,320,367.51 : 132,537,238.30 = 42,857,361.43 : x
2. Step 2: Convert to fraction form
   88,320,367.51/132,537,238.30 = 42,857,361.43/x
3. Step 3: Cross multiply
   88,320,367.51x = 132,537,238.30 × 42,857,361.43
4. Step 4: Simplify right side
   88,320,367.51x = 5,680,196,324,479,367
5. Step 5: Solve for x
   x = 5,680,196,324,479,367/88,320,367.51
6. Step 6: Final answer
   x = 64,313,549.47