Finding the Fourth Proportional to 90,870.84, 136,260.47 and 52,932.33

Step by Step Solution

1. Step 1: Write the proportion equation
   90,870.84 : 136,260.47 = 52,932.33 : x
2. Step 2: Convert to fraction form
   90,870.84/136,260.47 = 52,932.33/x
3. Step 3: Cross multiply
   90,870.84x = 136,260.47 × 52,932.33
4. Step 4: Simplify right side
   90,870.84x = 7,212,583,899.33
5. Step 5: Solve for x
   x = 7,212,583,899.33/90,870.84
6. Step 6: Final answer
   x = 79,371.82