Finding the Fourth Proportional to 1,564,885.05, 2,159,622.50 and 876,516.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,564,885.05 : 2,159,622.50 = 876,516.63 : x
2. Step 2: Convert to fraction form
   1,564,885.05/2,159,622.50 = 876,516.63/x
3. Step 3: Cross multiply
   1,564,885.05x = 2,159,622.50 × 876,516.63
4. Step 4: Simplify right side
   1,564,885.05x = 1,892,945,031,389.59
5. Step 5: Solve for x
   x = 1,892,945,031,389.59/1,564,885.05
6. Step 6: Final answer
   x = 1,209,638.39