Finding the Fourth Proportional to 76,337.76, 105,345.72 and 42,803.76

Step by Step Solution

1. Step 1: Write the proportion equation
   76,337.76 : 105,345.72 = 42,803.76 : x
2. Step 2: Convert to fraction form
   76,337.76/105,345.72 = 42,803.76/x
3. Step 3: Cross multiply
   76,337.76x = 105,345.72 × 42,803.76
4. Step 4: Simplify right side
   76,337.76x = 4,509,192,915.91
5. Step 5: Solve for x
   x = 4,509,192,915.91/76,337.76
6. Step 6: Final answer
   x = 59,068.97