Finding the Fourth Proportional to 139,016.17, 191,837.17 and 75,352.60

Step by Step Solution

1. Step 1: Write the proportion equation
   139,016.17 : 191,837.17 = 75,352.60 : x
2. Step 2: Convert to fraction form
   139,016.17/191,837.17 = 75,352.60/x
3. Step 3: Cross multiply
   139,016.17x = 191,837.17 × 75,352.60
4. Step 4: Simplify right side
   139,016.17x = 14,455,429,870.13
5. Step 5: Solve for x
   x = 14,455,429,870.13/139,016.17
6. Step 6: Final answer
   x = 103,983.80