Finding the Fourth Proportional to 93,356,076.32, 128,848,248.72 and 55,681,654.88

Step by Step Solution

1. Step 1: Write the proportion equation
   93,356,076.32 : 128,848,248.72 = 55,681,654.88 : x
2. Step 2: Convert to fraction form
   93,356,076.32/128,848,248.72 = 55,681,654.88/x
3. Step 3: Cross multiply
   93,356,076.32x = 128,848,248.72 × 55,681,654.88
4. Step 4: Simplify right side
   93,356,076.32x = 7,174,483,717,119,442
5. Step 5: Solve for x
   x = 7,174,483,717,119,442/93,356,076.32
6. Step 6: Final answer
   x = 76,850,741.80