Finding the Fourth Proportional to 98,427.98, 147,665.50 and 31,868.19

Step by Step Solution

1. Step 1: Write the proportion equation
   98,427.98 : 147,665.50 = 31,868.19 : x
2. Step 2: Convert to fraction form
   98,427.98/147,665.50 = 31,868.19/x
3. Step 3: Cross multiply
   98,427.98x = 147,665.50 × 31,868.19
4. Step 4: Simplify right side
   98,427.98x = 4,705,832,130.77
5. Step 5: Solve for x
   x = 4,705,832,130.77/98,427.98
6. Step 6: Final answer
   x = 47,809.90