Finding the Fourth Proportional to 148,889, 205,476.54 and 92,338.04

Step by Step Solution

1. Step 1: Write the proportion equation
   148,889 : 205,476.54 = 92,338.04 : x
2. Step 2: Convert to fraction form
   148,889/205,476.54 = 92,338.04/x
3. Step 3: Cross multiply
   148,889x = 205,476.54 × 92,338.04
4. Step 4: Simplify right side
   148,889x = 18,973,300,969.58
5. Step 5: Solve for x
   x = 18,973,300,969.58/148,889
6. Step 6: Final answer
   x = 127,432.52