Finding the Fourth Proportional to 1,426,353,056.42, 2,139,676,189.35 and 493,674,381.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426,353,056.42 : 2,139,676,189.35 = 493,674,381.67 : x
2. Step 2: Convert to fraction form
   1,426,353,056.42/2,139,676,189.35 = 493,674,381.67/x
3. Step 3: Cross multiply
   1,426,353,056.42x = 2,139,676,189.35 × 493,674,381.67
4. Step 4: Simplify right side
   1,426,353,056.42x = 1,056,303,319,748,914,816
5. Step 5: Solve for x
   x = 1,056,303,319,748,914,816/1,426,353,056.42
6. Step 6: Final answer
   x = 740,562,313.79