Finding the Fourth Proportional to 61,196.86, 84,384.21 and 42,301.18

Step by Step Solution

1. Step 1: Write the proportion equation
   61,196.86 : 84,384.21 = 42,301.18 : x
2. Step 2: Convert to fraction form
   61,196.86/84,384.21 = 42,301.18/x
3. Step 3: Cross multiply
   61,196.86x = 84,384.21 × 42,301.18
4. Step 4: Simplify right side
   61,196.86x = 3,569,551,656.37
5. Step 5: Solve for x
   x = 3,569,551,656.37/61,196.86
6. Step 6: Final answer
   x = 58,329.00