Finding the Fourth Proportional to 42,070.06, 63,086.60 and 15,756.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,070.06 : 63,086.60 = 15,756.34 : x
2. Step 2: Convert to fraction form
   42,070.06/63,086.60 = 15,756.34/x
3. Step 3: Cross multiply
   42,070.06x = 63,086.60 × 15,756.34
4. Step 4: Simplify right side
   42,070.06x = 994,013,919.04
5. Step 5: Solve for x
   x = 994,013,919.04/42,070.06
6. Step 6: Final answer
   x = 23,627.59