Finding the Fourth Proportional to 51,188.34, 70,598.14 and 42,980.26

Step by Step Solution

1. Step 1: Write the proportion equation
   51,188.34 : 70,598.14 = 42,980.26 : x
2. Step 2: Convert to fraction form
   51,188.34/70,598.14 = 42,980.26/x
3. Step 3: Cross multiply
   51,188.34x = 70,598.14 × 42,980.26
4. Step 4: Simplify right side
   51,188.34x = 3,034,326,412.72
5. Step 5: Solve for x
   x = 3,034,326,412.72/51,188.34
6. Step 6: Final answer
   x = 59,277.69