Finding the Fourth Proportional to 90,872,053.35, 125,413,306.61 and 56,063,848.83

Step by Step Solution

1. Step 1: Write the proportion equation
   90,872,053.35 : 125,413,306.61 = 56,063,848.83 : x
2. Step 2: Convert to fraction form
   90,872,053.35/125,413,306.61 = 56,063,848.83/x
3. Step 3: Cross multiply
   90,872,053.35x = 125,413,306.61 × 56,063,848.83
4. Step 4: Simplify right side
   90,872,053.35x = 7,031,152,662,773,161
5. Step 5: Solve for x
   x = 7,031,152,662,773,161/90,872,053.35
6. Step 6: Final answer
   x = 77,374,202.56