Finding the Fourth Proportional to 88,029,141.80, 131,931,738.30 and 42,492,885.80

Step by Step Solution

1. Step 1: Write the proportion equation
   88,029,141.80 : 131,931,738.30 = 42,492,885.80 : x
2. Step 2: Convert to fraction form
   88,029,141.80/131,931,738.30 = 42,492,885.80/x
3. Step 3: Cross multiply
   88,029,141.80x = 131,931,738.30 × 42,492,885.80
4. Step 4: Simplify right side
   88,029,141.80x = 5,606,160,288,977,386
5. Step 5: Solve for x
   x = 5,606,160,288,977,386/88,029,141.80
6. Step 6: Final answer
   x = 63,685,277.11