Finding the Fourth Proportional to 67,803.30, 101,703.86 and 21,056.22

Step by Step Solution

1. Step 1: Write the proportion equation
   67,803.30 : 101,703.86 = 21,056.22 : x
2. Step 2: Convert to fraction form
   67,803.30/101,703.86 = 21,056.22/x
3. Step 3: Cross multiply
   67,803.30x = 101,703.86 × 21,056.22
4. Step 4: Simplify right side
   67,803.30x = 2,141,498,851.01
5. Step 5: Solve for x
   x = 2,141,498,851.01/67,803.30
6. Step 6: Final answer
   x = 31,583.99