Finding the Fourth Proportional to 106,779.43, 147,392.71 and 61,475.46

Step by Step Solution

1. Step 1: Write the proportion equation
   106,779.43 : 147,392.71 = 61,475.46 : x
2. Step 2: Convert to fraction form
   106,779.43/147,392.71 = 61,475.46/x
3. Step 3: Cross multiply
   106,779.43x = 147,392.71 × 61,475.46
4. Step 4: Simplify right side
   106,779.43x = 9,061,034,647.90
5. Step 5: Solve for x
   x = 9,061,034,647.90/106,779.43
6. Step 6: Final answer
   x = 84,857.49