Finding the Fourth Proportional to 2,090,769.99, 2,885,557.50 and 1,219,892.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090,769.99 : 2,885,557.50 = 1,219,892.01 : x
2. Step 2: Convert to fraction form
   2,090,769.99/2,885,557.50 = 1,219,892.01/x
3. Step 3: Cross multiply
   2,090,769.99x = 2,885,557.50 × 1,219,892.01
4. Step 4: Simplify right side
   2,090,769.99x = 3,520,068,538,645.58
5. Step 5: Solve for x
   x = 3,520,068,538,645.58/2,090,769.99
6. Step 6: Final answer
   x = 1,683,623.05