Finding the Fourth Proportional to 1,089,830.34, 1,503,973.29 and 606,415.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,089,830.34 : 1,503,973.29 = 606,415.86 : x
2. Step 2: Convert to fraction form
   1,089,830.34/1,503,973.29 = 606,415.86/x
3. Step 3: Cross multiply
   1,089,830.34x = 1,503,973.29 × 606,415.86
4. Step 4: Simplify right side
   1,089,830.34x = 912,033,256,072.38
5. Step 5: Solve for x
   x = 912,033,256,072.38/1,089,830.34
6. Step 6: Final answer
   x = 836,858.02