Finding the Fourth Proportional to 52,434.18, 72,296.28 and 42,838.52

Step by Step Solution

1. Step 1: Write the proportion equation
   52,434.18 : 72,296.28 = 42,838.52 : x
2. Step 2: Convert to fraction form
   52,434.18/72,296.28 = 42,838.52/x
3. Step 3: Cross multiply
   52,434.18x = 72,296.28 × 42,838.52
4. Step 4: Simplify right side
   52,434.18x = 3,097,065,275.22
5. Step 5: Solve for x
   x = 3,097,065,275.22/52,434.18
6. Step 6: Final answer
   x = 59,065.77