Finding the Fourth Proportional to 78,250.74, 107,969.40 and 46,429.98

Step by Step Solution

1. Step 1: Write the proportion equation
   78,250.74 : 107,969.40 = 46,429.98 : x
2. Step 2: Convert to fraction form
   78,250.74/107,969.40 = 46,429.98/x
3. Step 3: Cross multiply
   78,250.74x = 107,969.40 × 46,429.98
4. Step 4: Simplify right side
   78,250.74x = 5,013,017,082.61
5. Step 5: Solve for x
   x = 5,013,017,082.61/78,250.74
6. Step 6: Final answer
   x = 64,063.51