Finding the Fourth Proportional to 51,189.34, 70,599.52 and 42,981.26

Step by Step Solution

1. Step 1: Write the proportion equation
   51,189.34 : 70,599.52 = 42,981.26 : x
2. Step 2: Convert to fraction form
   51,189.34/70,599.52 = 42,981.26/x
3. Step 3: Cross multiply
   51,189.34x = 70,599.52 × 42,981.26
4. Step 4: Simplify right side
   51,189.34x = 3,034,456,325.00
5. Step 5: Solve for x
   x = 3,034,456,325.00/51,189.34
6. Step 6: Final answer
   x = 59,279.07