Finding the Fourth Proportional to 653,248,752.89, 900,877,742.03 and 476,757,191.93

Step by Step Solution

1. Step 1: Write the proportion equation
   653,248,752.89 : 900,877,742.03 = 476,757,191.93 : x
2. Step 2: Convert to fraction form
   653,248,752.89/900,877,742.03 = 476,757,191.93/x
3. Step 3: Cross multiply
   653,248,752.89x = 900,877,742.03 × 476,757,191.93
4. Step 4: Simplify right side
   653,248,752.89x = 429,499,942,562,461,760
5. Step 5: Solve for x
   x = 429,499,942,562,461,760/653,248,752.89
6. Step 6: Final answer
   x = 657,482,988.93