Finding the Fourth Proportional to 59,431.68, 88,623.72 and 58,898.70

Step by Step Solution

1. Step 1: Write the proportion equation
   59,431.68 : 88,623.72 = 58,898.70 : x
2. Step 2: Convert to fraction form
   59,431.68/88,623.72 = 58,898.70/x
3. Step 3: Cross multiply
   59,431.68x = 88,623.72 × 58,898.70
4. Step 4: Simplify right side
   59,431.68x = 5,219,821,897.16
5. Step 5: Solve for x
   x = 5,219,821,897.16/59,431.68
6. Step 6: Final answer
   x = 87,828.95