Finding the Fourth Proportional to 107,070.13, 147,769.89 and 61,748.10

Step by Step Solution

1. Step 1: Write the proportion equation
   107,070.13 : 147,769.89 = 61,748.10 : x
2. Step 2: Convert to fraction form
   107,070.13/147,769.89 = 61,748.10/x
3. Step 3: Cross multiply
   107,070.13x = 147,769.89 × 61,748.10
4. Step 4: Simplify right side
   107,070.13x = 9,124,509,818.55
5. Step 5: Solve for x
   x = 9,124,509,818.55/107,070.13
6. Step 6: Final answer
   x = 85,219.94