Finding the Fourth Proportional to 78,886.71, 108,877.68 and 46,619.96

Step by Step Solution

1. Step 1: Write the proportion equation
   78,886.71 : 108,877.68 = 46,619.96 : x
2. Step 2: Convert to fraction form
   78,886.71/108,877.68 = 46,619.96/x
3. Step 3: Cross multiply
   78,886.71x = 108,877.68 × 46,619.96
4. Step 4: Simplify right side
   78,886.71x = 5,075,872,542.10
5. Step 5: Solve for x
   x = 5,075,872,542.10/78,886.71
6. Step 6: Final answer
   x = 64,343.82