Finding the Fourth Proportional to 55,938.09, 77,194.72 and 30,787.59

Step by Step Solution

1. Step 1: Write the proportion equation
   55,938.09 : 77,194.72 = 30,787.59 : x
2. Step 2: Convert to fraction form
   55,938.09/77,194.72 = 30,787.59/x
3. Step 3: Cross multiply
   55,938.09x = 77,194.72 × 30,787.59
4. Step 4: Simplify right side
   55,938.09x = 2,376,639,717.49
5. Step 5: Solve for x
   x = 2,376,639,717.49/55,938.09
6. Step 6: Final answer
   x = 42,486.96