Finding the Fourth Proportional to 372,300.18, 554,239.47 and 370,085.86

Step by Step Solution

1. Step 1: Write the proportion equation
   372,300.18 : 554,239.47 = 370,085.86 : x
2. Step 2: Convert to fraction form
   372,300.18/554,239.47 = 370,085.86/x
3. Step 3: Cross multiply
   372,300.18x = 554,239.47 × 370,085.86
4. Step 4: Simplify right side
   372,300.18x = 205,116,190,900.89
5. Step 5: Solve for x
   x = 205,116,190,900.89/372,300.18
6. Step 6: Final answer
   x = 550,943.03