Finding the Fourth Proportional to 107,870.10, 148,875.10 and 61,947.96

Step by Step Solution

1. Step 1: Write the proportion equation
   107,870.10 : 148,875.10 = 61,947.96 : x
2. Step 2: Convert to fraction form
   107,870.10/148,875.10 = 61,947.96/x
3. Step 3: Cross multiply
   107,870.10x = 148,875.10 × 61,947.96
4. Step 4: Simplify right side
   107,870.10x = 9,222,508,739.80
5. Step 5: Solve for x
   x = 9,222,508,739.80/107,870.10
6. Step 6: Final answer
   x = 85,496.43