Finding the Fourth Proportional to 65,111.10, 97,875.45 and 60,488.70

Step by Step Solution

1. Step 1: Write the proportion equation
   65,111.10 : 97,875.45 = 60,488.70 : x
2. Step 2: Convert to fraction form
   65,111.10/97,875.45 = 60,488.70/x
3. Step 3: Cross multiply
   65,111.10x = 97,875.45 × 60,488.70
4. Step 4: Simplify right side
   65,111.10x = 5,920,358,732.42
5. Step 5: Solve for x
   x = 5,920,358,732.42/65,111.10
6. Step 6: Final answer
   x = 90,927.03