Finding the Fourth Proportional to 147,642.63, 221,499.23 and 47,802.93

Step by Step Solution

1. Step 1: Write the proportion equation
   147,642.63 : 221,499.23 = 47,802.93 : x
2. Step 2: Convert to fraction form
   147,642.63/221,499.23 = 47,802.93/x
3. Step 3: Cross multiply
   147,642.63x = 221,499.23 × 47,802.93
4. Step 4: Simplify right side
   147,642.63x = 10,588,311,947.73
5. Step 5: Solve for x
   x = 10,588,311,947.73/147,642.63
6. Step 6: Final answer
   x = 71,715.82