Finding the Fourth Proportional to 736,857,298.42, 1,016,877,225.59 and 402,343,084.10

Step by Step Solution

1. Step 1: Write the proportion equation
   736,857,298.42 : 1,016,877,225.59 = 402,343,084.10 : x
2. Step 2: Convert to fraction form
   736,857,298.42/1,016,877,225.59 = 402,343,084.10/x
3. Step 3: Cross multiply
   736,857,298.42x = 1,016,877,225.59 × 402,343,084.10
4. Step 4: Simplify right side
   736,857,298.42x = 409,133,519,098,480,128
5. Step 5: Solve for x
   x = 409,133,519,098,480,128/736,857,298.42
6. Step 6: Final answer
   x = 555,241,184.39