Finding the Fourth Proportional to 34,381.72, 47,445.42 and 19,477.72

Step by Step Solution

1. Step 1: Write the proportion equation
   34,381.72 : 47,445.42 = 19,477.72 : x
2. Step 2: Convert to fraction form
   34,381.72/47,445.42 = 19,477.72/x
3. Step 3: Cross multiply
   34,381.72x = 47,445.42 × 19,477.72
4. Step 4: Simplify right side
   34,381.72x = 924,128,606.04
5. Step 5: Solve for x
   x = 924,128,606.04/34,381.72
6. Step 6: Final answer
   x = 26,878.49