Finding the Fourth Proportional to 42,612.98, 63,913.54 and 22,613.72

Step by Step Solution

1. Step 1: Write the proportion equation
   42,612.98 : 63,913.54 = 22,613.72 : x
2. Step 2: Convert to fraction form
   42,612.98/63,913.54 = 22,613.72/x
3. Step 3: Cross multiply
   42,612.98x = 63,913.54 × 22,613.72
4. Step 4: Simplify right side
   42,612.98x = 1,445,322,897.77
5. Step 5: Solve for x
   x = 1,445,322,897.77/42,612.98
6. Step 6: Final answer
   x = 33,917.43