Finding the Fourth Proportional to 90,872,054.35, 125,413,307.99 and 56,063,849.83

Step by Step Solution

1. Step 1: Write the proportion equation
   90,872,054.35 : 125,413,307.99 = 56,063,849.83 : x
2. Step 2: Convert to fraction form
   90,872,054.35/125,413,307.99 = 56,063,849.83/x
3. Step 3: Cross multiply
   90,872,054.35x = 125,413,307.99 × 56,063,849.83
4. Step 4: Simplify right side
   90,872,054.35x = 7,031,152,865,834,899
5. Step 5: Solve for x
   x = 7,031,152,865,834,899/90,872,054.35
6. Step 6: Final answer
   x = 77,374,203.94