Finding the Fourth Proportional to 233,333.31, 349,922.13 and 91,141.74

Step by Step Solution

1. Step 1: Write the proportion equation
   233,333.31 : 349,922.13 = 91,141.74 : x
2. Step 2: Convert to fraction form
   233,333.31/349,922.13 = 91,141.74/x
3. Step 3: Cross multiply
   233,333.31x = 349,922.13 × 91,141.74
4. Step 4: Simplify right side
   233,333.31x = 31,892,511,792.71
5. Step 5: Solve for x
   x = 31,892,511,792.71/233,333.31
6. Step 6: Final answer
   x = 136,682.21