Finding the Fourth Proportional to 1,859,784.84, 2,787,015.50 and 1,059,412.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,859,784.84 : 2,787,015.50 = 1,059,412.72 : x
2. Step 2: Convert to fraction form
   1,859,784.84/2,787,015.50 = 1,059,412.72/x
3. Step 3: Cross multiply
   1,859,784.84x = 2,787,015.50 × 1,059,412.72
4. Step 4: Simplify right side
   1,859,784.84x = 2,952,599,671,537.16
5. Step 5: Solve for x
   x = 2,952,599,671,537.16/1,859,784.84
6. Step 6: Final answer
   x = 1,587,602.83