Finding the Fourth Proportional to 69,068.79, 95,263.92 and 42,189.21

Step by Step Solution

1. Step 1: Write the proportion equation
   69,068.79 : 95,263.92 = 42,189.21 : x
2. Step 2: Convert to fraction form
   69,068.79/95,263.92 = 42,189.21/x
3. Step 3: Cross multiply
   69,068.79x = 95,263.92 × 42,189.21
4. Step 4: Simplify right side
   69,068.79x = 4,019,109,526.30
5. Step 5: Solve for x
   x = 4,019,109,526.30/69,068.79
6. Step 6: Final answer
   x = 58,189.95