Finding the Fourth Proportional to 148,111, 204,393.32 and 81,043

Step by Step Solution

1. Step 1: Write the proportion equation
   148,111 : 204,393.32 = 81,043 : x
2. Step 2: Convert to fraction form
   148,111/204,393.32 = 81,043/x
3. Step 3: Cross multiply
   148,111x = 204,393.32 × 81,043
4. Step 4: Simplify right side
   148,111x = 16,564,647,832.76
5. Step 5: Solve for x
   x = 16,564,647,832.76/148,111
6. Step 6: Final answer
   x = 111,839.42