Finding the Fourth Proportional to 978,973.56, 1,350,962.58 and 543,365.53

Step by Step Solution

1. Step 1: Write the proportion equation
   978,973.56 : 1,350,962.58 = 543,365.53 : x
2. Step 2: Convert to fraction form
   978,973.56/1,350,962.58 = 543,365.53/x
3. Step 3: Cross multiply
   978,973.56x = 1,350,962.58 × 543,365.53
4. Step 4: Simplify right side
   978,973.56x = 734,066,501,980.24
5. Step 5: Solve for x
   x = 734,066,501,980.24/978,973.56
6. Step 6: Final answer
   x = 749,832.82