Finding the Fourth Proportional to 1,533,072.72, 2,301,643.80 and 1,309,867.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,533,072.72 : 2,301,643.80 = 1,309,867.50 : x
2. Step 2: Convert to fraction form
   1,533,072.72/2,301,643.80 = 1,309,867.50/x
3. Step 3: Cross multiply
   1,533,072.72x = 2,301,643.80 × 1,309,867.50
4. Step 4: Simplify right side
   1,533,072.72x = 3,014,848,410,196.50
5. Step 5: Solve for x
   x = 3,014,848,410,196.50/1,533,072.72
6. Step 6: Final answer
   x = 1,966,539.73