Finding the Fourth Proportional to 74,693.78, 103,088.42 and 49,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   74,693.78 : 103,088.42 = 49,196.10 : x
2. Step 2: Convert to fraction form
   74,693.78/103,088.42 = 49,196.10/x
3. Step 3: Cross multiply
   74,693.78x = 103,088.42 × 49,196.10
4. Step 4: Simplify right side
   74,693.78x = 5,071,548,219.16
5. Step 5: Solve for x
   x = 5,071,548,219.16/74,693.78
6. Step 6: Final answer
   x = 67,897.87