Finding the Fourth Proportional to 90,801.19, 136,111.40 and 43,360.82

Step by Step Solution

1. Step 1: Write the proportion equation
   90,801.19 : 136,111.40 = 43,360.82 : x
2. Step 2: Convert to fraction form
   90,801.19/136,111.40 = 43,360.82/x
3. Step 3: Cross multiply
   90,801.19x = 136,111.40 × 43,360.82
4. Step 4: Simplify right side
   90,801.19x = 5,901,901,934.91
5. Step 5: Solve for x
   x = 5,901,901,934.91/90,801.19
6. Step 6: Final answer
   x = 64,998.07