Finding the Fourth Proportional to 83,690.12, 115,498.02 and 45,964.76

Step by Step Solution

1. Step 1: Write the proportion equation
   83,690.12 : 115,498.02 = 45,964.76 : x
2. Step 2: Convert to fraction form
   83,690.12/115,498.02 = 45,964.76/x
3. Step 3: Cross multiply
   83,690.12x = 115,498.02 × 45,964.76
4. Step 4: Simplify right side
   83,690.12x = 5,308,838,769.78
5. Step 5: Solve for x
   x = 5,308,838,769.78/83,690.12
6. Step 6: Final answer
   x = 63,434.47