Finding the Fourth Proportional to 83,835, 115,685.28 and 49,374.24

Step by Step Solution

1. Step 1: Write the proportion equation
   83,835 : 115,685.28 = 49,374.24 : x
2. Step 2: Convert to fraction form
   83,835/115,685.28 = 49,374.24/x
3. Step 3: Cross multiply
   83,835x = 115,685.28 × 49,374.24
4. Step 4: Simplify right side
   83,835x = 5,711,872,779.19
5. Step 5: Solve for x
   x = 5,711,872,779.19/83,835
6. Step 6: Final answer
   x = 68,132.32