Finding the Fourth Proportional to 69,210.05, 103,669.27 and 56,088.05

Step by Step Solution

1. Step 1: Write the proportion equation
   69,210.05 : 103,669.27 = 56,088.05 : x
2. Step 2: Convert to fraction form
   69,210.05/103,669.27 = 56,088.05/x
3. Step 3: Cross multiply
   69,210.05x = 103,669.27 × 56,088.05
4. Step 4: Simplify right side
   69,210.05x = 5,814,607,199.22
5. Step 5: Solve for x
   x = 5,814,607,199.22/69,210.05
6. Step 6: Final answer
   x = 84,013.91