Finding the Fourth Proportional to 52,070.04, 71,856.72 and 28,196.91

Step by Step Solution

1. Step 1: Write the proportion equation
   52,070.04 : 71,856.72 = 28,196.91 : x
2. Step 2: Convert to fraction form
   52,070.04/71,856.72 = 28,196.91/x
3. Step 3: Cross multiply
   52,070.04x = 71,856.72 × 28,196.91
4. Step 4: Simplify right side
   52,070.04x = 2,026,137,466.74
5. Step 5: Solve for x
   x = 2,026,137,466.74/52,070.04
6. Step 6: Final answer
   x = 38,911.77