Finding the Fourth Proportional to 1,061,748.68, 1,593,277.50 and 430,667.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,061,748.68 : 1,593,277.50 = 430,667.96 : x
2. Step 2: Convert to fraction form
   1,061,748.68/1,593,277.50 = 430,667.96/x
3. Step 3: Cross multiply
   1,061,748.68x = 1,593,277.50 × 430,667.96
4. Step 4: Simplify right side
   1,061,748.68x = 686,173,570,638.90
5. Step 5: Solve for x
   x = 686,173,570,638.90/1,061,748.68
6. Step 6: Final answer
   x = 646,267.41