Finding the Fourth Proportional to 76,938.32, 106,177.06 and 42,946.10

Step by Step Solution

1. Step 1: Write the proportion equation
   76,938.32 : 106,177.06 = 42,946.10 : x
2. Step 2: Convert to fraction form
   76,938.32/106,177.06 = 42,946.10/x
3. Step 3: Cross multiply
   76,938.32x = 106,177.06 × 42,946.10
4. Step 4: Simplify right side
   76,938.32x = 4,559,890,636.47
5. Step 5: Solve for x
   x = 4,559,890,636.47/76,938.32
6. Step 6: Final answer
   x = 59,266.83