Finding the Fourth Proportional to 61,127.15, 91,672.04 and 42,273

Step by Step Solution

1. Step 1: Write the proportion equation
   61,127.15 : 91,672.04 = 42,273 : x
2. Step 2: Convert to fraction form
   61,127.15/91,672.04 = 42,273/x
3. Step 3: Cross multiply
   61,127.15x = 91,672.04 × 42,273
4. Step 4: Simplify right side
   61,127.15x = 3,875,251,935.56
5. Step 5: Solve for x
   x = 3,875,251,935.56/61,127.15
6. Step 6: Final answer
   x = 63,396.58