Finding the Fourth Proportional to 72,411.64, 99,823.35 and 50,835.69

Step by Step Solution

1. Step 1: Write the proportion equation
   72,411.64 : 99,823.35 = 50,835.69 : x
2. Step 2: Convert to fraction form
   72,411.64/99,823.35 = 50,835.69/x
3. Step 3: Cross multiply
   72,411.64x = 99,823.35 × 50,835.69
4. Step 4: Simplify right side
   72,411.64x = 5,074,588,875.36
5. Step 5: Solve for x
   x = 5,074,588,875.36/72,411.64
6. Step 6: Final answer
   x = 70,079.74