Finding the Fourth Proportional to 74,587.51, 111,881.34 and 52,499.47

Step by Step Solution

1. Step 1: Write the proportion equation
   74,587.51 : 111,881.34 = 52,499.47 : x
2. Step 2: Convert to fraction form
   74,587.51/111,881.34 = 52,499.47/x
3. Step 3: Cross multiply
   74,587.51x = 111,881.34 × 52,499.47
4. Step 4: Simplify right side
   74,587.51x = 5,873,711,052.89
5. Step 5: Solve for x
   x = 5,873,711,052.89/74,587.51
6. Step 6: Final answer
   x = 78,749.26