Finding the Fourth Proportional to 71,774.76, 99,038.61 and 43,088.34

Step by Step Solution

1. Step 1: Write the proportion equation
   71,774.76 : 99,038.61 = 43,088.34 : x
2. Step 2: Convert to fraction form
   71,774.76/99,038.61 = 43,088.34/x
3. Step 3: Cross multiply
   71,774.76x = 99,038.61 × 43,088.34
4. Step 4: Simplify right side
   71,774.76x = 4,267,409,300.81
5. Step 5: Solve for x
   x = 4,267,409,300.81/71,774.76
6. Step 6: Final answer
   x = 59,455.57