Finding the Fourth Proportional to 47,671.74, 71,530.69 and 19,612.53

Step by Step Solution

1. Step 1: Write the proportion equation
   47,671.74 : 71,530.69 = 19,612.53 : x
2. Step 2: Convert to fraction form
   47,671.74/71,530.69 = 19,612.53/x
3. Step 3: Cross multiply
   47,671.74x = 71,530.69 × 19,612.53
4. Step 4: Simplify right side
   47,671.74x = 1,402,897,445.89
5. Step 5: Solve for x
   x = 1,402,897,445.89/47,671.74
6. Step 6: Final answer
   x = 29,428.29