Finding the Fourth Proportional to 52,495.22, 72,384.55 and 42,905.34

Step by Step Solution

1. Step 1: Write the proportion equation
   52,495.22 : 72,384.55 = 42,905.34 : x
2. Step 2: Convert to fraction form
   52,495.22/72,384.55 = 42,905.34/x
3. Step 3: Cross multiply
   52,495.22x = 72,384.55 × 42,905.34
4. Step 4: Simplify right side
   52,495.22x = 3,105,683,909.46
5. Step 5: Solve for x
   x = 3,105,683,909.46/52,495.22
6. Step 6: Final answer
   x = 59,161.27