Finding the Fourth Proportional to 51,303.18, 70,732.56 and 42,070.68

Step by Step Solution

1. Step 1: Write the proportion equation
   51,303.18 : 70,732.56 = 42,070.68 : x
2. Step 2: Convert to fraction form
   51,303.18/70,732.56 = 42,070.68/x
3. Step 3: Cross multiply
   51,303.18x = 70,732.56 × 42,070.68
4. Step 4: Simplify right side
   51,303.18x = 2,975,766,897.34
5. Step 5: Solve for x
   x = 2,975,766,897.34/51,303.18
6. Step 6: Final answer
   x = 58,003.56