Finding the Fourth Proportional to 61,454.63, 84,754.51 and 42,365.45

Step by Step Solution

1. Step 1: Write the proportion equation
   61,454.63 : 84,754.51 = 42,365.45 : x
2. Step 2: Convert to fraction form
   61,454.63/84,754.51 = 42,365.45/x
3. Step 3: Cross multiply
   61,454.63x = 84,754.51 × 42,365.45
4. Step 4: Simplify right side
   61,454.63x = 3,590,663,061.65
5. Step 5: Solve for x
   x = 3,590,663,061.65/61,454.63
6. Step 6: Final answer
   x = 58,427.87