Finding the Fourth Proportional to 2,238,905.02, 3,089,475.45 and 1,308,830.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,238,905.02 : 3,089,475.45 = 1,308,830.20 : x
2. Step 2: Convert to fraction form
   2,238,905.02/3,089,475.45 = 1,308,830.20/x
3. Step 3: Cross multiply
   2,238,905.02x = 3,089,475.45 × 1,308,830.20
4. Step 4: Simplify right side
   2,238,905.02x = 4,043,598,771,118.59
5. Step 5: Solve for x
   x = 4,043,598,771,118.59/2,238,905.02
6. Step 6: Final answer
   x = 1,806,060.88