Finding the Fourth Proportional to 69,679.89, 96,109.02 and 42,837.48

Step by Step Solution

1. Step 1: Write the proportion equation
   69,679.89 : 96,109.02 = 42,837.48 : x
2. Step 2: Convert to fraction form
   69,679.89/96,109.02 = 42,837.48/x
3. Step 3: Cross multiply
   69,679.89x = 96,109.02 × 42,837.48
4. Step 4: Simplify right side
   69,679.89x = 4,117,068,222.07
5. Step 5: Solve for x
   x = 4,117,068,222.07/69,679.89
6. Step 6: Final answer
   x = 59,085.46