Finding the Fourth Proportional to 69,068.90, 103,680.15 and 42,803.30

Step by Step Solution

1. Step 1: Write the proportion equation
   69,068.90 : 103,680.15 = 42,803.30 : x
2. Step 2: Convert to fraction form
   69,068.90/103,680.15 = 42,803.30/x
3. Step 3: Cross multiply
   69,068.90x = 103,680.15 × 42,803.30
4. Step 4: Simplify right side
   69,068.90x = 4,437,852,564.50
5. Step 5: Solve for x
   x = 4,437,852,564.50/69,068.90
6. Step 6: Final answer
   x = 64,252.54