Finding the Fourth Proportional to 42,749.76, 64,139.22 and 23,030.34

Step by Step Solution

1. Step 1: Write the proportion equation
   42,749.76 : 64,139.22 = 23,030.34 : x
2. Step 2: Convert to fraction form
   42,749.76/64,139.22 = 23,030.34/x
3. Step 3: Cross multiply
   42,749.76x = 64,139.22 × 23,030.34
4. Step 4: Simplify right side
   42,749.76x = 1,477,148,043.93
5. Step 5: Solve for x
   x = 1,477,148,043.93/42,749.76
6. Step 6: Final answer
   x = 34,553.36