Finding the Fourth Proportional to 83,560, 115,312.80 and 45,834.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,560 : 115,312.80 = 45,834.34 : x
2. Step 2: Convert to fraction form
   83,560/115,312.80 = 45,834.34/x
3. Step 3: Cross multiply
   83,560x = 115,312.80 × 45,834.34
4. Step 4: Simplify right side
   83,560x = 5,285,286,081.55
5. Step 5: Solve for x
   x = 5,285,286,081.55/83,560
6. Step 6: Final answer
   x = 63,251.39