Finding the Fourth Proportional to 614,415,111.42, 921,623,554.11 and 250,909,467.42

Step by Step Solution

1. Step 1: Write the proportion equation
   614,415,111.42 : 921,623,554.11 = 250,909,467.42 : x
2. Step 2: Convert to fraction form
   614,415,111.42/921,623,554.11 = 250,909,467.42/x
3. Step 3: Cross multiply
   614,415,111.42x = 921,623,554.11 × 250,909,467.42
4. Step 4: Simplify right side
   614,415,111.42x = 231,244,075,123,467,648
5. Step 5: Solve for x
   x = 231,244,075,123,467,648/614,415,111.42
6. Step 6: Final answer
   x = 376,364,563.35