Finding the Fourth Proportional to 1,061,316.87, 1,588,985.78 and 953,700.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,316.87 : 1,588,985.78 = 953,700.07 : x
2. Step 2: Convert to fraction form
   1,061,316.87/1,588,985.78 = 953,700.07/x
3. Step 3: Cross multiply
   1,061,316.87x = 1,588,985.78 × 953,700.07
4. Step 4: Simplify right side
   1,061,316.87x = 1,515,415,844,846.50
5. Step 5: Solve for x
   x = 1,515,415,844,846.50/1,061,316.87
6. Step 6: Final answer
   x = 1,427,863.71