Finding the Fourth Proportional to 977,849.89, 1,467,196.20 and 528,886.87

Step by Step Solution

1. Step 1: Write the proportion equation
   977,849.89 : 1,467,196.20 = 528,886.87 : x
2. Step 2: Convert to fraction form
   977,849.89/1,467,196.20 = 528,886.87/x
3. Step 3: Cross multiply
   977,849.89x = 1,467,196.20 × 528,886.87
4. Step 4: Simplify right side
   977,849.89x = 775,980,805,893.89
5. Step 5: Solve for x
   x = 775,980,805,893.89/977,849.89
6. Step 6: Final answer
   x = 793,558.21