Finding the Fourth Proportional to 1,657,109.60, 2,480,415.60 and 1,300,191.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,657,109.60 : 2,480,415.60 = 1,300,191.20 : x
2. Step 2: Convert to fraction form
   1,657,109.60/2,480,415.60 = 1,300,191.20/x
3. Step 3: Cross multiply
   1,657,109.60x = 2,480,415.60 × 1,300,191.20
4. Step 4: Simplify right side
   1,657,109.60x = 3,225,014,535,462.72
5. Step 5: Solve for x
   x = 3,225,014,535,462.72/1,657,109.60
6. Step 6: Final answer
   x = 1,946,168.52