Finding the Fourth Proportional to 1,248,895.69, 1,874,518.35 and 1,180,638.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,248,895.69 : 1,874,518.35 = 1,180,638.72 : x
2. Step 2: Convert to fraction form
   1,248,895.69/1,874,518.35 = 1,180,638.72/x
3. Step 3: Cross multiply
   1,248,895.69x = 1,874,518.35 × 1,180,638.72
4. Step 4: Simplify right side
   1,248,895.69x = 2,213,128,950,046.81
5. Step 5: Solve for x
   x = 2,213,128,950,046.81/1,248,895.69
6. Step 6: Final answer
   x = 1,772,068.69