Finding the Fourth Proportional to 47,080.19, 70,631.15 and 13,802.82

Step by Step Solution

1. Step 1: Write the proportion equation
   47,080.19 : 70,631.15 = 13,802.82 : x
2. Step 2: Convert to fraction form
   47,080.19/70,631.15 = 13,802.82/x
3. Step 3: Cross multiply
   47,080.19x = 70,631.15 × 13,802.82
4. Step 4: Simplify right side
   47,080.19x = 974,908,980.83
5. Step 5: Solve for x
   x = 974,908,980.83/47,080.19
6. Step 6: Final answer
   x = 20,707.42