Finding the Fourth Proportional to 56,981.97, 78,637.86 and 34,328.06

Step by Step Solution

1. Step 1: Write the proportion equation
   56,981.97 : 78,637.86 = 34,328.06 : x
2. Step 2: Convert to fraction form
   56,981.97/78,637.86 = 34,328.06/x
3. Step 3: Cross multiply
   56,981.97x = 78,637.86 × 34,328.06
4. Step 4: Simplify right side
   56,981.97x = 2,699,484,783.16
5. Step 5: Solve for x
   x = 2,699,484,783.16/56,981.97
6. Step 6: Final answer
   x = 47,374.37