Finding the Fourth Proportional to 138,436.01, 191,041.83 and 74,773.81

Step by Step Solution

1. Step 1: Write the proportion equation
   138,436.01 : 191,041.83 = 74,773.81 : x
2. Step 2: Convert to fraction form
   138,436.01/191,041.83 = 74,773.81/x
3. Step 3: Cross multiply
   138,436.01x = 191,041.83 × 74,773.81
4. Step 4: Simplify right side
   138,436.01x = 14,284,925,498.47
5. Step 5: Solve for x
   x = 14,284,925,498.47/138,436.01
6. Step 6: Final answer
   x = 103,187.93