Finding the Fourth Proportional to 107,648,068.88, 148,748,656.02 and 76,654,429.76

Step by Step Solution

1. Step 1: Write the proportion equation
   107,648,068.88 : 148,748,656.02 = 76,654,429.76 : x
2. Step 2: Convert to fraction form
   107,648,068.88/148,748,656.02 = 76,654,429.76/x
3. Step 3: Cross multiply
   107,648,068.88x = 148,748,656.02 × 76,654,429.76
4. Step 4: Simplify right side
   107,648,068.88x = 11,402,243,404,779,492
5. Step 5: Solve for x
   x = 11,402,243,404,779,492/107,648,068.88
6. Step 6: Final answer
   x = 105,921,485.85