Finding the Fourth Proportional to 76,947.39, 106,186.98 and 42,953.91

Step by Step Solution

1. Step 1: Write the proportion equation
   76,947.39 : 106,186.98 = 42,953.91 : x
2. Step 2: Convert to fraction form
   76,947.39/106,186.98 = 42,953.91/x
3. Step 3: Cross multiply
   76,947.39x = 106,186.98 × 42,953.91
4. Step 4: Simplify right side
   76,947.39x = 4,561,145,982.09
5. Step 5: Solve for x
   x = 4,561,145,982.09/76,947.39
6. Step 6: Final answer
   x = 59,276.16